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On Wednesday, a jury found former Uber security chief Joe Sullivan guilty of hiding a massive data breach from federal regulators who were already investigating the ride-share company for a different breach. With that verdict, Sullivan has likely become the first executive to be criminally prosecuted over a hack, The New York Times reported .

A jury of six men and six women started deliberating last Friday. After 19 hours, they decided that Sullivan was guilty on one count of obstructing the Federal Trade Commission’s investigation and “one count of misprision, or acting to conceal a felony from authorities,” according to the Times.

Sullivan’s legal team did not immediately provide comment for Ars, but one of his lawyers, David Angeli, told NYT how Sullivan received the verdict. “While we obviously disagree with the jury’s verdict, we appreciate their dedication and effort in this case,” Angeli told the paper. “Mr. Sullivan’s sole focus—in this incident and throughout his distinguished career—has been ensuring the safety of people’s personal data on the Internet.”